A weak acid HA has a pKa of 5.0.  If 1.0 mol of this acid and 0.1 mol of NaOH were dissolved in one liter of water, what would the final pH be?

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#Question id: 11926

#XL - R Botany

The chloroplasts of all of the following are derived from ancestral red algae, except those of

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#Question id: 9569

#XL - T Zoology

Certain thermophilic bacteria live in hot springs at temperatures close to the boiling point of water. What challenges do such bacteria overcome successfully?

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#Question id: 11503

#XL - S Microbiology

Which process allowed the nucleomorphs of chlorarachniophytes to be first reduced, and then (in a few species) lost altogether, without the loss of any genetic information?

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#Question id: 8850

#XL - R Botany

Whatever its ultimate cause(s), the Cambrian explosion is a prime example of

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#Question id: 28118

#XL - U Food Technology

The preservation technique using radiation is also known as